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ST7M223T4 — NUT,PLAIN,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

ST7M223T4: NUT,PLAIN,HEXAGON.

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: TITANIUM OVERALL, nut_style: HEXAGON, nut_height: 0.210 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNJS, special_features: DRY FILM LUBRICANT. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-516-0881, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
ST7M223T4
NSN: 5310-00-516-0881
FSC: 5310 — Nuts and Washers
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialTITANIUM OVERALL
nut_styleHEXAGON
nut_height0.210 INCHES NOMINAL IN
thread_class3B
thread_seriesUNJS
special_featuresDRY FILM LUBRICANT
thread_directionRIGHT-HAND
countersink_angle80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT
width_across_flats0.688 INCHES NOMINAL IN
nominal_thread_size0.438 INCHES IN
bearing_surface_typeCHAMFERED
thread_quantity_per_inch24
NSN5310-00-516-0881
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: ST7M223T4 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
WIDTH ACROSS FLATS: 0.688 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE THREADS
•
THREAD SERIES: UNJS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.438 INCHES IN
•
SPECIFICATION/STANDARD DATA: 76301-ST7-223 MANUFACTURERS STANDARD
•
NUT HEIGHT: 0.210 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.688 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-L-8937 MIL SPEC SINGLE TREATMENT RESPONSE THREADS
THREAD SERIESUNJS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.438 INCHES IN
SPECIFICATION/STANDARD DATA76301-ST7-223 MANUFACTURERS STANDARD
NUT HEIGHT0.210 INCHES NOMINAL IN
SPECIAL FEATURESDRY FILM LUBRICANT
COUNTERSINK ANGLE80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT
SUBSTITUTES & CROSS-REFERENCES 4
10121440Reference document
Same NSN cross-reference
Reference document — Informative reference only
AE16133-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
R44118T04Reference document
Same NSN cross-reference
Reference document — Secondary reference
07A098-04Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST7M223T4?
ST7M223T4 is a NUT,PLAIN,HEXAGON.
What parts can replace ST7M223T4?
There are 4 known substitutes for ST7M223T4: 10121440, AE16133-04, R44118T04 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for ST7M223T4?
ST7M223T4 is cataloged in the U.S. Government catalog under NSN 5310-00-516-0881. This indicates validated use in U.S. government and defense supply chains.
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